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By 2050,some 60 countries,many of them in Asia,with ____________________ of the world's population,are likely to be suffering from water stress.
Q3: Several underwater turbines have been installed to
Q10: Net energy is the amount of useful
Q19: Indoor air pollution usually poses a much
Q30: Sinopec Group would undertake forward vertical integration
Q32: There are seven species of sea turtles.All
Q36: Flushing toilets with water accounts for one-fourth
Q67: What is the value of nature's regulation
Q86: The Northern Aral Sea has partially recovered
Q87: Which of the following illustrates natural capital
Q88: Pollution such as the Asian Brown Cloud